Dacomitinib in Combination with chemotherapy is effective in lung adenocarcinoma with rare EGFR L747P mutation and bone metastases: a case report - Scorecard - MDSpire

Dacomitinib in Combination with chemotherapy is effective in lung adenocarcinoma with rare EGFR L747P mutation and bone metastases: a case report

  • By

  • Weixin Su

  • Haiyan Deng

  • Zhi Yang

  • Anjian Gao

  • Bo Gao

  • May 5, 2026

  • 0 min

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Clinical Scorecard: Efficacy of Dacomitinib Combined with Chemotherapy in Treating Lung Adenocarcinoma with the Rare EGFR L747P Mutation and Bone Metastases: A Case Study

At a Glance

CategoryDetail
ConditionLung Adenocarcinoma with EGFR L747P Mutation and Bone Metastases
Key MechanismsDacomitinib is an EGFR tyrosine kinase inhibitor that targets specific mutations.
Target PopulationPatients with lung adenocarcinoma harboring the rare EGFR L747P mutation.
Care SettingOncology outpatient and inpatient settings.

Key Highlights

  • Dacomitinib combined with chemotherapy resulted in a partial response in a patient with EGFR L747P mutation.
  • The patient achieved a progression-free survival (PFS) of 16 months.
  • Manageable adverse events included skin rash and paronychia.

Guideline-Based Recommendations

Diagnosis

  • Next-generation sequencing (NGS) is recommended for identifying rare EGFR mutations.

Management

  • Consider dacomitinib in combination with chemotherapy for patients with EGFR L747P mutation.

Monitoring & Follow-up

  • Regular monitoring of tumor markers and imaging studies to assess treatment response.

Risks

  • Monitor for potential adverse effects such as skin rash and paronychia.

Patient & Prescribing Data

56-year-old female with stage IVB lung adenocarcinoma and bone metastases.

Initial chemotherapy with pemetrexed and carboplatin was ineffective; dacomitinib was added leading to improved outcomes.

Clinical Best Practices

  • Utilize molecular profiling to guide targeted therapy in lung adenocarcinoma.
  • Combine targeted therapy with chemotherapy for enhanced efficacy in rare EGFR mutations.

References

Original Source(s)

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